30491
This number is a prime.
The smallest prime number for which the concatenation of
itself and its prime index (3291) in either order is a
brilliant number. [Gaydos]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
The smallest prime number for which the concatenation of
itself and its prime index (3291) in either order is a
brilliant number. [Gaydos]